The Rape of Cambodia: The Entrance Gate of Knowledge into the Pol Pot Regime through Pictures and Photographs in Cruelty is a significant historical book authored by Fumie Horii. The work serves as a stark visual and documentary entry point for understanding the atrocities committed under the Khmer Rouge. It provides deep insight into a dark chapter of history where approximately 1.5 to 2 million Cambodian citizens lost their lives between 1975 and 1979.